<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<table>
    <tr>
        <td rowspan="2">单位</td>
        <td rowspan="2">部门</td>
        <td rowspan="2">工序</td>
        <td rowspan="2">能耗</td>
        <td colspan="3">单位</td>
        <td colspan="2">吨钢耗能</td>
    </tr>
    <tr>
        <td>吨钢耗能</td>
        <td>能耗</td>
        <td>产量</td>
        <td>本月</td>
        <td>1~4月平均</td>
    </tr>
    <tr>
        <td rowspan="10">炼轧作业区</td>
        <td rowspan="2">三相</td>
        <td rowspan="2">电渣炉</td>
        <td>电耗</td>
        <td>千瓦时/吨</td>
        <td>千瓦时</td>
        <td>吨</td>
        <td>0</td>
        <td>0</td>
    </tr>
    <tr>
        <td>折标煤</td>
        <td>公斤/吨</td>
        <td>公斤</td>
        <td></td>
        <td>0</td>
        <td>0</td>
    </tr>
    <tr>
        <td rowspan="2">提纯</td>
        <td rowspan="2">提纯</td>
        <td>电耗</td>
        <td>千瓦时/吨</td>
        <td>千瓦时</td>
        <td>吨</td>
        <td>0</td>
        <td>0</td>
    </tr>
    <tr>
        <td>折标煤</td>
        <td>公斤/吨</td>
        <td>公斤</td>
        <td></td>
        <td>0</td>
        <td>0</td>
    </tr>
    <tr>
        <td rowspan="6">轧钢</td>
        <td rowspan="4">轧钢</td>
        <td>天然气</td>
        <td>立方米/吨</td>
        <td>立方米</td>
        <td>吨</td>
        <td>0</td>
        <td>0</td>
    </tr>
    <tr>
        <td>折标煤</td>
        <td>公斤/吨</td>
        <td>公斤</td>
        <td></td>
        <td>0</td>
        <td>0</td>
    </tr>
    <tr>
        <td>电耗</td>
        <td>千瓦时/吨</td>
        <td>千瓦时</td>
        <td>吨</td>
        <td>0</td>
        <td>0</td>
    </tr>
    <tr>
        <td>折标煤</td>
        <td>公斤/吨</td>
        <td>公斤</td>
        <td></td>
        <td>0</td>
        <td>0</td>
    </tr>
    <tr>
        <td rowspan="2">轧钢退火</td>
        <td>电耗</td>
        <td>千瓦时/吨</td>
        <td>千瓦时</td>
        <td>吨</td>
        <td>0</td>
        <td>0</td>
    </tr>
    <tr>
        <td>折标煤</td>
        <td>公斤/吨</td>
        <td>公斤</td>
        <td></td>
        <td>0</td>
        <td>0</td>
    </tr>
</table>

</body>

<style>
    table tr td {
        width: auto;
        border: 2px solid black;
        border-collapse: collapse;
        text-align: center;
    }


</style>
</html>